Within‐plant variation in defences in response to simulated herbivory in a semi‐arid southern African savannah
Within‐plant spatial variation in herbivore pressure can induce localized antiherbivory defence responses. We tested this hypothesis by studying branch‐specific responses of Acacia robusta, Dichrostachys cinerea and Ziziphus mucronata to simulated mammalian herbivory. Herbivory was simulated by clip...
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| Veröffentlicht in: | African journal of ecology 2015-12, Vol.53 (4), p.413-418 |
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| container_title | African journal of ecology |
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| creator | Sebata, Allan Ndlovu, Lindela R |
| description | Within‐plant spatial variation in herbivore pressure can induce localized antiherbivory defence responses. We tested this hypothesis by studying branch‐specific responses of Acacia robusta, Dichrostachys cinerea and Ziziphus mucronata to simulated mammalian herbivory. Herbivory was simulated by clipping the terminal shoots (3 cm from tip) of tree branchlets, allowing them one year of regrowth and then comparing their spine length and density and condensed tannins with those of adjacent unclipped branchlets. Condensed tannins concentrations were higher in clipped branchlets than in unclipped branchlets in all three woody species (P |
| doi_str_mv | 10.1111/aje.12212 |
| format | Article |
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We tested this hypothesis by studying branch‐specific responses of Acacia robusta, Dichrostachys cinerea and Ziziphus mucronata to simulated mammalian herbivory. Herbivory was simulated by clipping the terminal shoots (3 cm from tip) of tree branchlets, allowing them one year of regrowth and then comparing their spine length and density and condensed tannins with those of adjacent unclipped branchlets. Condensed tannins concentrations were higher in clipped branchlets than in unclipped branchlets in all three woody species (P < 0.05). Spine length was higher in clipped branchlets than in unclipped branchlets in A. robusta (P < 0.05) but was similar in both D. cinerea and Z. mucronata (P > 0.05). Spine density was double in clipped branchlets as compared to the unclipped branchlets in Z. mucronata (P < 0.05) but was similar in both A. robusta and D. cinerea (P > 0.05). We found evidence of within‐plant variation in condensed tannins concentration and spine length and density in response to simulated herbivory in the three woody species.</description><identifier>ISSN: 0141-6707</identifier><identifier>EISSN: 1365-2028</identifier><identifier>DOI: 10.1111/aje.12212</identifier><language>eng</language><publisher>Nairobi: Published for the East African Wild Life Society by Blackwell Scientific Publications</publisher><subject>Acacia ; Acacia robusta ; condensed tannins ; Dichrostachys cinerea ; Herbivores ; mammals ; Plant ecology ; Plant resistance ; proanthocyanidins ; regrowth ; resprouts ; savannas ; shoot clipping ; shoots ; spine density ; spine length ; trees ; woody plants ; Ziziphus</subject><ispartof>African journal of ecology, 2015-12, Vol.53 (4), p.413-418</ispartof><rights>2015 John Wiley & Sons Ltd</rights><rights>Copyright © 2015 John Wiley & Sons Ltd</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c3522-b273d678561e5e3c7acaea8f781299f7b0a9332ac16b5868582a218ab49db3003</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Faje.12212$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Faje.12212$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><creatorcontrib>Sebata, Allan</creatorcontrib><creatorcontrib>Ndlovu, Lindela R</creatorcontrib><title>Within‐plant variation in defences in response to simulated herbivory in a semi‐arid southern African savannah</title><title>African journal of ecology</title><addtitle>Afr. J. Ecol</addtitle><description>Within‐plant spatial variation in herbivore pressure can induce localized antiherbivory defence responses. We tested this hypothesis by studying branch‐specific responses of Acacia robusta, Dichrostachys cinerea and Ziziphus mucronata to simulated mammalian herbivory. Herbivory was simulated by clipping the terminal shoots (3 cm from tip) of tree branchlets, allowing them one year of regrowth and then comparing their spine length and density and condensed tannins with those of adjacent unclipped branchlets. Condensed tannins concentrations were higher in clipped branchlets than in unclipped branchlets in all three woody species (P < 0.05). Spine length was higher in clipped branchlets than in unclipped branchlets in A. robusta (P < 0.05) but was similar in both D. cinerea and Z. mucronata (P > 0.05). Spine density was double in clipped branchlets as compared to the unclipped branchlets in Z. mucronata (P < 0.05) but was similar in both A. robusta and D. cinerea (P > 0.05). We found evidence of within‐plant variation in condensed tannins concentration and spine length and density in response to simulated herbivory in the three woody species.</description><subject>Acacia</subject><subject>Acacia robusta</subject><subject>condensed tannins</subject><subject>Dichrostachys cinerea</subject><subject>Herbivores</subject><subject>mammals</subject><subject>Plant ecology</subject><subject>Plant resistance</subject><subject>proanthocyanidins</subject><subject>regrowth</subject><subject>resprouts</subject><subject>savannas</subject><subject>shoot clipping</subject><subject>shoots</subject><subject>spine density</subject><subject>spine length</subject><subject>trees</subject><subject>woody plants</subject><subject>Ziziphus</subject><issn>0141-6707</issn><issn>1365-2028</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp1kc9u1DAQxi1EJZaFA0-AJS5wSOs_iZ0cV1VZqJaCBFW5WZNkwnrJ2ls7Wdgbj8Az8iT1NsABCV9saX7fNzOfCXnG2SlP5ww2eMqF4OIBmXGpikwwUT4kM8ZzninN9CPyOMYNY6zMVT4j4cYOa-t-_fi568ENdA_BwmC9o9bRFjt0DcbjO2DceReRDp5Gux17GLClawy13ftwOCJAI25tskoeLY1-HFLZ0UUXbAOORtiDc7B-Qk466CM-_X3PyfXri0_nb7LV--Xb88Uqa2QhRFYLLVuly0JxLFA2GhpAKDtdclFVna4ZVFIKaLiqi1KVRSlA8BLqvGpryZick5eT7y742xHjYLY2NtinPdGP0XCtlVJVnvrMyYt_0I0fg0vTJarQLLXMj9SriWqCjzFgZ3bBbiEcDGfmmL5J6Zv79BN7NrHfbI-H_4NmcXnxR5FNChsH_P5XAeGrUVrqwtxcLc27z8sPS6lX5irxzye-A2_gS7DRXH8UjKv0txVTPJd3oFuggQ</recordid><startdate>201512</startdate><enddate>201512</enddate><creator>Sebata, Allan</creator><creator>Ndlovu, Lindela R</creator><general>Published for the East African Wild Life Society by Blackwell Scientific Publications</general><general>Blackwell Publishing Ltd</general><scope>FBQ</scope><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7SN</scope><scope>7SS</scope><scope>7ST</scope><scope>C1K</scope><scope>SOI</scope><scope>7U6</scope></search><sort><creationdate>201512</creationdate><title>Within‐plant variation in defences in response to simulated herbivory in a semi‐arid southern African savannah</title><author>Sebata, Allan ; Ndlovu, Lindela R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3522-b273d678561e5e3c7acaea8f781299f7b0a9332ac16b5868582a218ab49db3003</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Acacia</topic><topic>Acacia robusta</topic><topic>condensed tannins</topic><topic>Dichrostachys cinerea</topic><topic>Herbivores</topic><topic>mammals</topic><topic>Plant ecology</topic><topic>Plant resistance</topic><topic>proanthocyanidins</topic><topic>regrowth</topic><topic>resprouts</topic><topic>savannas</topic><topic>shoot clipping</topic><topic>shoots</topic><topic>spine density</topic><topic>spine length</topic><topic>trees</topic><topic>woody plants</topic><topic>Ziziphus</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sebata, Allan</creatorcontrib><creatorcontrib>Ndlovu, Lindela R</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><collection>Sustainability Science Abstracts</collection><jtitle>African journal of ecology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sebata, Allan</au><au>Ndlovu, Lindela R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Within‐plant variation in defences in response to simulated herbivory in a semi‐arid southern African savannah</atitle><jtitle>African journal of ecology</jtitle><addtitle>Afr. J. Ecol</addtitle><date>2015-12</date><risdate>2015</risdate><volume>53</volume><issue>4</issue><spage>413</spage><epage>418</epage><pages>413-418</pages><issn>0141-6707</issn><eissn>1365-2028</eissn><abstract>Within‐plant spatial variation in herbivore pressure can induce localized antiherbivory defence responses. We tested this hypothesis by studying branch‐specific responses of Acacia robusta, Dichrostachys cinerea and Ziziphus mucronata to simulated mammalian herbivory. Herbivory was simulated by clipping the terminal shoots (3 cm from tip) of tree branchlets, allowing them one year of regrowth and then comparing their spine length and density and condensed tannins with those of adjacent unclipped branchlets. Condensed tannins concentrations were higher in clipped branchlets than in unclipped branchlets in all three woody species (P < 0.05). Spine length was higher in clipped branchlets than in unclipped branchlets in A. robusta (P < 0.05) but was similar in both D. cinerea and Z. mucronata (P > 0.05). Spine density was double in clipped branchlets as compared to the unclipped branchlets in Z. mucronata (P < 0.05) but was similar in both A. robusta and D. cinerea (P > 0.05). We found evidence of within‐plant variation in condensed tannins concentration and spine length and density in response to simulated herbivory in the three woody species.</abstract><cop>Nairobi</cop><pub>Published for the East African Wild Life Society by Blackwell Scientific Publications</pub><doi>10.1111/aje.12212</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | African journal of ecology, 2015-12, Vol.53 (4), p.413-418 |
| issn | 0141-6707 1365-2028 |
| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Acacia Acacia robusta condensed tannins Dichrostachys cinerea Herbivores mammals Plant ecology Plant resistance proanthocyanidins regrowth resprouts savannas shoot clipping shoots spine density spine length trees woody plants Ziziphus |
| title | Within‐plant variation in defences in response to simulated herbivory in a semi‐arid southern African savannah |
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